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Dissolved Oxygen Analyzer Aqualyzer® 9061
AQUALYZER® 9001 SERIES
AQUALYZER® 9001 SERIES
The Waltron AQUALYZER® 9061 Dissolved Oxygen Analyzer is a state-of-the-art microprocessor-based instrumentation package developed specifically for use in measuring low and high concentrations of dissolved oxygen. It is today’s standard for all low range dissolved oxygen analyzers. True Fully Automatic Calibration Common 9061 Dissolved Oxygen Analyzer application points in a boiler system for online dissolved oxygen measurement include: deaerator, condensate, boiler feed water and economizer inlet. |
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| FEATURES | BENEFITS | |
| Wide range analysis: 0.01ppb – 20ppm | Minimal analyzer maintenance | |
| Very low cost,no maintenance sensor with two-year pro-rated warranty | Automatic operation | |
| Zero offset feature for higher accuracy at low levels | No sensor maintenance | |
| True fully automatic on-line calibration | ||
| Two 4-20 MA isolated current outputs | ||
| User-configurable system:oxygenated or deaerated | ||
| User-configurable system: oxygenated or de-aerated |
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| Automatically stores last 10 calibrations and alarm logs | ||
| Sensor protection from extreme temperatures | ||
| Automatic temperature compensation |
NO MAINTENANCE DO SENSOR |
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| Performance | ||
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| Range | 0-1000 ppb,0-20 ppm with automatic range selection. | |
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| Accuracy | ± 1 ppb |
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| Stability | ± 5% of reading or ± 2 ppb per week, whichever is greater |
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| Response Time | 90% of a step change in less than three minutes |
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| Precision | ± 0.5 ppb |
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| Temperature Compensation | Automatic,reduces sample temperature error to less than 0.5% of reading per degree C |
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Calibration |
Manual and fully automatic calibration. Manual initiated by operator; automatic with programmable frequency in days. |
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| Current Outputs | Two isolated 4-20mA current (analog) outputs. |
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| Digital Output | Communication interface via RS-232 and RS-485 using MODBUS RTU protocol | |
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| Alarms | Three voltage-free contacts. Alarm points set from transmitter rated at 2A,250VAC (non-inductive |
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| Response Time | 90%of a step change in 60 second | |
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| Atmospheric Pressure Compensation |
Preset to normal atmospheric pressure at sea level and programmable |
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| Thermal Protection | Automatic sample bypass if sample exceeds 131°F (55°C) | |
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| Power | 90VAC-250VAC, wide range of input power supply | |
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| CE Certification (on request) | Meets low voltage and low electromagnetic compatibility directives | |
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| Operating Conditions | ||
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| Sample Flow | 100 – 300 ml/min | |
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| Sample Temperature | 41 – 131° F (5 – 55°C) | |
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| Ambient Temperature | 32 – 131° F (0 – 55°C) | |
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| Pressure | 5–30 psig (0.35 – 2.07 bar) | |
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| Recommended Conditioning |
Water sample filtering to 60 micron | |
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| Mechanical | ||
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| Construction | Transmitter – high strength ABS, IP65 (NEMA 4x) |
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| Dimensions | Transmitter:Height = 10.92” (27.74 cm), Width = 7” (17.78 cm), Depth = 3.54” (8.99 cm) Wet Section: Height = 18.25” (46.36 cm) including drain, Width = 11.25” (28.58 cm), Depth = 7.63” (19.38 cm) |
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| Mounting | Four key-style holes: Height = 0.86” (2.18 cm), Top Width = 0.281” (0.714 cm), Radius = 0.28” (0.711 cm) Horizontal: 9” (22.86 cm), Vertical: 12.875” (32.70 cm) |
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| Weight | 23 lbs. (10.44 kg) | |
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| Wiring | Eight (8) conduit knockouts | |
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| Piping | Sample Inlet: 1/4" (0.635 cm) OD Swagelokt, Drain: 3/8" (0.953 cm) OD tube |
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| Distance | Up to 325 feet (100 meters) on request |
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| Finish | Corrosion resistant | |
